Astro Van L AWD V6-4.3L VIN W (1996)
Intake Manifold: Service and Repair
Intake Manifold Installation
1. Install the gaskets to the cylinder head with the port blocking plates facing the rear of the engine and the "this side up" stamping facing up.
2. Install RTV to the front and the rear sealing surfaces on the block.
a. Apply a 5 mm (0.197 inch) bead of RTV GM P/N 1052366 or equivalent to the front and the rear of the block.
b. Extend the bead 13 mm (0.5 inch) up each cylinder head in order to seal and retain the gaskets.
